Home / 328,875,816.34-493,152,299.09-162,687,307.96

Finding the Fourth Proportional to 328,875,816.34, 493,152,299.09 and 162,687,307.96

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Solution

The fourth proportional to 328,875,816.34, 493,152,299.09 and 162,687,307.96 is: 243,951,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875,816.34 : 493,152,299.09 = 162,687,307.96 : x
  2. Step 2: Convert to fraction form
    328,875,816.34/493,152,299.09 = 162,687,307.96/x
  3. Step 3: Cross multiply
    328,875,816.34x = 493,152,299.09 × 162,687,307.96
  4. Step 4: Simplify right side
    328,875,816.34x = 80,229,619,953,236,864
  5. Step 5: Solve for x
    x = 80,229,619,953,236,864/328,875,816.34
  6. Step 6: Final answer
    x = 243,951,108.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.